五、阅读理解。
Do you love sunflowers? This article will walk you through how to plant your sunflower seeds and care for them. Start it with the best temperatures:18～33℃.
Part 1 Germinating(使发芽) Sunflower Seeds
1. Choose one kind you like.
2. Put the seeds in a plastic bag. Cover the seeds with wet paper towels. Put them in plastic bags. Once the seeds germinate, plant them.
Part 2
1. Choose a sunny place. Sunflowers grow best with six to eight hours of sunlight a day.
2. Plant the seeds in holes. Plant seeds 2.5 deep and 15 cm apart. Cover the seeds with soil after planting.
Part 3 Caring for Sunflower Plants
1. Water plants weekly. Water plants once a week.
2. Harvest the seeds. Sunflowers usually take 80 to 120 days to mature(成熟) and produce new seeds.
Tips:
◆Protect the young plants from pests(害虫). Cover the ground with nets.
◆Support plants over 90 cm with sticks.
()1. Which of the following can be put in the blank?
A. Planting Sunflower Seeds B. Choosing Good Seeds
C. Watering Sunflower Plants D. Checking the Temperature
()2. If you plant your seeds in April, you may harvest in .
A. January B. May C. July D. November
()3. Where is the article probably from?
A. A notice board. B. A travel guide.
C. A planting diary. D. A gardening magazine.

1. A 2. C 3. D

【分析】
本题为阅读理解题，需结合文章各部分内容、细节信息及文章主题分析每道题：
1. 第1题需概括Part2的核心内容，Part2围绕选向阳地、种种子覆土展开，对应种植环节；
2. 第2题需结合向日葵成熟周期（80-120天）和种植时间（四月）推算收获时间；
3. 第3题需根据文章主题（种植养护向日葵）判断文章出处。
【解析】
1. 第1题：Part2的两个步骤是“选向阳处”“将种子种入洞并覆土”，属于种植向日葵种子的流程，对应选项A“Planting Sunflower Seeds”；B选项“选好种子”是Part1内容，C选项“浇水”是Part3内容，D选项“查温度”是开头提及的种植条件，均不符合，故选A。
2. 第2题：文章提到向日葵成熟需80-120天，四月种植，四月到七月约90天，在80-120天范围内，因此可能在七月收获；A一月（冬季）、B五月（仅1个月）、D十一月（约7个月，超120天）均不符合，故选C。
3. 第3题：文章是指导种植、养护向日葵的实用内容，属于园艺相关知识，最可能出自园艺杂志；A通知板是公示类内容，B旅游指南是旅游相关，C种植日记是个人记录，均不符合，故选D。
【答案】
1.A 2.C 3.D
【知识点】
阅读理解、细节理解、推理判断
【点评】
本题围绕种植向日葵的说明文设题，考查段落概括、细节推算、文章出处推理，需准确提取文章信息并合理推断，难度适中。
【难度系数】
0.6